AR-C160 (serv.man51). Troubleshooting Copy Quality - Sharp Copying Equipment Technical Bulletin (repair manual). Page 8

GMA050702 

Sharp Electronics (UK) Ltd., Technical Services Group

 

 

 

 
You can check and compare the result of your adjustment by pressing “EXECUTE”, 
which prints a current test pattern. 
 
Once the composite black strip (4 colour) has been adjusted, so that it is as close to 
the process black channel, exit the test simulation. 
 
In addition to suit customer requirements, the colour balance for each colour 
exposure mode can be adjusted by using Test Simulations 46-10/11/12/13/14 . 
 
These simulations are identical to test simulation 46-21, except there is no 
“EXECUTE” key. Use the Sharp colour test chart or customer samples, and switch 
between the test command and the user exposure selection to make adjustments. 
 
Press “CLOSE” to leave the simulation, make a test copy after selecting the 
appropriate exposure mode. Press, “TEST” to return to the test simulation and 
make further adjustments.  
 
To save ALL Half Tone adjustments, execute Test Simulation 44-21. Once 
complete, enter simulation 44-06 to perform compulsory engine process control:- 

 

 
Press “EXECUTE”.  
 
The “COMPLETE” box will be highlighted if process control has been performed 
successfully. 
 
If an “ERROR” occurs, repeat the simulation once, then diagnose the cause of the 
error. 
 
Using the Sharp Colour Test Chart (UKOG-0283FCZZ), make test copies and 
confirm copy quality.  
 
This concludes the colour balance adjustment(s). 

 
 
 

 

 

 

 
 

 

 

 

 

 

 

 

 

The exposure adjustment in ALL colour and B/W modes must be performed 
after calibrating the engine. Failure to check or adjust the copy exposure may 
result to excessive background when copying. 
 
  

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